1 files changed, 4 insertions, 1 deletions
diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index b2db609ec..4ab4f1f40 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -275,8 +275,11 @@ struct Regs {
         case TextureFormat::I8:
         case TextureFormat::A8:
         case TextureFormat::IA4:
-        default: // placeholder for yet unknown formats
             return 2;
+
+        default: // placeholder for yet unknown formats
+            UNIMPLEMENTED();
+            return 0;
         }
     }